211121112101102 has 16 divisors (see below), whose sum is σ = 364771685253120. Its totient is φ = 89768031916248.

The previous prime is 211121112101101. The next prime is 211121112101173. The reversal of 211121112101102 is 201101211121112.

It is a super-2 number, since 2×211121112101102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211121112101101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59370389702 + ... + 59370393257.

It is an arithmetic number, because the mean of its divisors is an integer number (22798230328320).

Almost surely, 2^{211121112101102} is an apocalyptic number.

211121112101102 is a deficient number, since it is larger than the sum of its proper divisors (153650573152018).

211121112101102 is a wasteful number, since it uses less digits than its factorization.

211121112101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118740783095.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 211121112101102 its reverse (201101211121112), we get a palindrome (412222323222214).

The spelling of 211121112101102 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred twelve million, one hundred one thousand, one hundred two".